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Top Forums Shell Programming and Scripting first occurence and line number Post 302160345 by mercuryshipzz on Monday 21st of January 2008 05:42:59 PM
Old 01-21-2008
first occurence and line number

Hi,

My objective is to get the line number of the first occurance of the search pattern.


my test.txt contains:

..... ..................
total rows....
................... ..
total rejected rows: 40
total rejected rows: 50
total rejected rows: 80
total rejected rows: 90

total discarded rows: 40
................. ..
................. ..
................. ..

i want to get the line number of first occurance of "total rejected rows:" and the value next to it that is 40 in this case.
i beleive the awk command in this program returns the last value of the line.



these are the errors i got while executing this program:
Errors:

String found where operator expected at search2.pl line 19, near "awk '{print NF ":" $0}'"
(Do you need to predeclare awk?)
syntax error at search2.pl line 19, near "awk '{print NF ":" $0}'"
Execution of search2.pl aborted due to compilation errors.

can somebody help me with this?

thanks,

Mercury.

[Code = Perl]

#!/usr/bin/perl

use strict;
use warnings;
sub search_pattern
{

my $file_name = $_[0];

my $search = $_[1];
open(LOGFILE, $_[0]) or die("Error: cannot open file '$_[0]'\n");



while (<LOGFILE>) {
chomp($_);

if (/$search/) {
awk '{print NF ":" $0}' #Value of the last field
print "\n$." # prints the line number
}
}
}

my $file_n ="test.txt";

my $search_p = "total rejected rows:";

&search_pattern($file_n, $search_p);


[/code]
 

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IGAWK(1)							 Utility Commands							  IGAWK(1)

NAME
igawk - gawk with include files SYNOPSIS
igawk [ all gawk options ] -f program-file [ -- ] file ... igawk [ all gawk options ] [ -- ] program-text file ... DESCRIPTION
Igawk is a simple shell script that adds the ability to have ``include files'' to gawk(1). AWK programs for igawk are the same as for gawk, except that, in addition, you may have lines like @include getopt.awk in your program to include the file getopt.awk from either the current directory or one of the other directories in the search path. OPTIONS
See gawk(1) for a full description of the AWK language and the options that gawk supports. EXAMPLES
cat << EOF > test.awk @include getopt.awk BEGIN { while (getopt(ARGC, ARGV, "am:q") != -1) ... } EOF igawk -f test.awk SEE ALSO
gawk(1) Effective AWK Programming, Edition 1.0, published by the Free Software Foundation, 1995. AUTHOR
Arnold Robbins (arnold@skeeve.com). Free Software Foundation Nov 3 1999 IGAWK(1)
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